(R)-2-Amino-3-(6-nitro-1H-indol-3-yl)propanoic acid CAS 56937-50-9
| CAS No. | 56937-50-9 |
| Molecular Formula | C11H11N3O4 |
| Molecular Weight | 249.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(R)-2-Amino-3-(6-nitro-1H-indol-3-yl)propanoic acid (C11H11N3O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies (R)-2-Amino-3-(6-nitro-1H-indol-3-yl)propanoic acid (CAS 56937-50-9), a certified reference material (molecular formula C11H11N3O4, MW 249.22 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures (R)-2-Amino-3-(6-nitro-1H-indol-3-yl)propanoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H11N3O4 |
| Molecular Weight | 249.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 3 |
Related R Standards
- (R)-2-Amino-3-(5-nitro-1H-indol-3-yl)propanoic acid (CAS 93299-44-6)
- (S)-2-Amino-3-(4-nitro-1H-indol-3-yl)propanoic acid (CAS 639029-26-8)
- (S)-2-Amino-3-(5-nitro-1H-indol-3-yl)propanoic acid (CAS 82584-46-1)
- (S)-2-Amino-3-(6-nitro-1H-indol-3-yl)propanoic acid (CAS 46885-76-1)
- 2-Amino-3-(5-nitro-1h-indol-3-yl)propanoic acid (CAS 6525-46-8)
- 6-Amino-5-(2-furoyl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione (CAS 890093-59-1)
- 7-amino-4,4-dimethyl-8-nitroisoquinoline-1,3(2H,4H)-dione (CAS 99911-28-1)
- 3-Amino-2-{[2-(trifluoromethoxy)phenyl]methyl}propan-1-ol (CAS 1019110-74-7)
Recommended Standards
- (R)-3-(Cbz-amino)dihydrofuran-2,5-dione (CAS 75443-62-8)
- (E)-4-oxo-4-(2-(phenylcarbamoyl)hydrazinyl)but-2-enoic acid (CAS 315671-51-3)
- (S)-2-(1-Hydroxy-2H-isoindol-2-yl)succinic acid (CAS 650625-14-2)
- (5-(4-Methoxy-3-nitrophenyl)furan-2-yl)methanol (CAS 701219-05-8)
- N-(2-Chloro-5-methoxyphenyl)-N-(methylsulfonyl)glycine (CAS 1858251-89-4)
- Benzalphthalide (CAS 575-61-1)
- 2-{[2-(2-methoxyethoxy)ethyl]amino}ethan-1-ol (CAS 98433-85-3)
- 1,4-Anthraquinone (CAS 635-12-1)
- (7-Amino-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)(3-chlorophenyl)methanone (CAS 878969-60-9)
- (2-Ethyloxazol-4-yl)methanol (CAS 234075-94-6)
- Methyl (2Z)-chloro[(2-methylphenyl)hydrazono]acetate (CAS 96722-48-4)
- N-(3-Methoxyphenyl)-2-(quinolin-8-yloxy)acetamide hydrate (CAS 927183-81-1)
- (8-Methylimidazo[1,2-a]pyridin-2-yl)methanamine (CAS 518064-47-6)
- Galanin Message Associated Peptide (1-41) amide trifluoroacetate salt (CAS 132699-74-2)
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